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| Number | Title | Issue Date |
| 8100613 | Device for machining workpieces, in particular aeronautical parts manufactured from solid blocks of raw material Complex workpieces, particularly aeronautical parts made of solid stock presenting a bottom wall and at least one stiffening rib transverse to the bottom wall, are machined using a device having a tool head furnished with a transmission component rotatable about a r... | 01/24/2012 |
| 8029217 | Machine adaptation The invention relates to the transmission of power and/or data from/to a stationary part of a machine tool 200 to/from an accessory 100 mounted in the spindle 210 of the machine tool 200. A first electrical link or interface 1a | 10/04/2011 |
| 7695223 | Machine adaptation The transmission of power and/or data from/to a stationary part of a machine tool to/from an accessory mounted in the spindle of the machine tool. A first electrical link or interface provides electrical communication between the stationary part and the spindle, and... | 04/13/2010 |
| 7367087 | Engraving and marking device particularly for machine tools and the like An engraving and marking device, usable in machine tools and the like, includes a supporting member provided with a coupling which is engaged by a spindle of a machine tool and supports a toolbit by means of an elastic support. The device is adapted to engrave and m... | 05/06/2008 |
| 7364393 | Machine adaptation The invention relates to the transmission of power and/or data from/to a stationary part of a machine tool 200 to/from an accessory 100 mounted in the spindle 210 of the machine tool 200. A first electrical link or interface 1a,... | 04/29/2008 |
| 7351018 | Method and apparatus for measuring a depth of holes in composite-material workpieces being machined by an orbiting cutting tool A method and apparatus for measuring a hole depth in a composite-material workpiece machined by a orbital cutting tool, including the steps of applying a low-level electric potential to an electrically insulated cutting tool having a cutting head with radial and axi... | 04/01/2008 |
| 7252462 | Spindle unit having pressure foot A spindle unit having a pressure foot whose machining efficiency may be improved even when compressed air is used as means for pressing the pressure foot. The spindle unit having the pressure foot includes a rotor shaft provided within a base rotatably and movably a... | 08/07/2007 |
| 7155826 | Motor spindle with improved machining precision and method for operating one such motor spindle A motor spindle includes a spindle shaft for receiving a tool. The spindle shaft is accommodated in the housing of the motor spindle in a fixed bearing and a loose bearing. The received tool enters into contact with the machined workpiece in a tool interface when th... | 01/02/2007 |
| 7153073 | System and method for precision machining with a single point cutter The single point machining head includes a probe that is removably mounted on a carriage that moves radially relative to a central axis of the machining head. A system controller moves the carriage in a radial direction while the machining head is fed in a vertical ... | 12/26/2006 |
| 7131470 | Fence router table system A table with a working surface has a parallel rail on each side of the working surface. A slide assembly includes a shaft with ends and a pair of brackets. Each bracket has a hole. The holes receive the ends of the shaft. The slide assembly includes cylindrical tunn... | 11/07/2006 |
| 7131800 | Circuit board router apparatus and method thereof A circuit board router (10) and method thereof. De-paneling of printed circuit boards (62) off a panel 860) is efficiently increased by a router (40) which is positioned at a location above the panel (60). A fixture positions the p... | 11/07/2006 |
| 7096555 | Closed loop backdrilling system A multilayer circuit board is provided with at least one signal layer, at least one feedback layer, and at least one dielectric layer positioned between the signal layer and the feedback layer. The signal layer is connected to at least one plated hole. The feedback ... | 08/29/2006 |
| 7056072 | Method and apparatus for controlling movement of cutting blade and workpiece A method of controlling a relative movement of a cutting blade and a workpiece which are moved relative to each other by a movement device in an operation with a machine tool. The method includes a step of bringing the cutting blade and an object into contact with e... | 06/06/2006 |
| 7040629 | Clamping device for elongated workpieces An arrangement for clamping raw materials in a machine tool for machining elongated workpieces is provided. The arrangement comprises a supporting plate with at least one thoroughgoing opening and at least one clamping device arranged in front of one of the openings... | 05/09/2006 |
| 7011613 | Spindle comprising a data storage element The invention relates to a spindle (9) for a machine tool, having a housing (12) to accommodate an electric motor (11) and a shaft (13) driven by the latter and having a tool holder for a tool (10) for machining workpieces, at leas... | 03/14/2006 |
| 6960910 | Method for phase matching by detecting magnetic flux A method for phase matching matches a relative phase of a first element and a second element by detecting a magnetic flux. The method provides a magnetic flux generator to generate the magnetic flux. The method also provides a magnetic sensor in order to detect the ... | 11/01/2005 |
| 6953077 | Method and apparatus for producing mold A method and an apparatus for machining a mold material to produce a mold. By casting based on a cast mold model (15), a mold material (20) is produced in a form having a work margin. Thereafter, a shape of the mold material (20) is measured by ... | 10/11/2005 |
| 6932549 | Mandrel-holding slide or sleeve pod for numerical-control machine tools In a numerical-control machine tool use is made of a mandrel-holding structure that makes it possible for the machine tool to be used to smoothing/facing and polishing purposes under utilization of traditional pan-like tools, in which the force acting on the working... | 08/23/2005 |
| 6866451 | Device for detecting a thermal linear dilation on part of a machine A device for detecting thermally caused linear expansions of a machine element, wherein the device includes a temperature sensor placed along an expansion direction. The temperature sensor includes a first metallic conductor having an electrical resistance that is p... | 03/15/2005 |
| 6769846 | Coupling device A coupling device for engaging an exchangeable tool support (7) for corotation with a shaft (2) of a motor (1), with the shaft (2) mounting at is driven end a hollow shaft projection (3) for receiving the tool support (7). A... | 08/03/2004 |
| 6758640 | Method and apparatus for controlling movement of cutting blade and workpiece A method of controlling a relative movement of a cutting blade and a workpiece which are moved relative to each other by a movement device in an operation with a machine tool. The method includes a step of bringing the cutting blade and an object into contact with e... | 07/06/2004 |
| 6585462 | Device in a tool holding assembly for moving a rotatable shaft in the axial direction A device in a tool holding assembly for axially moving a rotatable shaft on which is arranged at a first end of the shaft a device for performing work during rotation of the shaft includes an electric motor for rotating the shaft, and at least one bearing... | 07/01/2003 |
| 6582166 | Method of compensating for cutter deflection A method of cutting planar material with a controlled cutting machine having a cutting tool with a tool tip includes performing a cutting test on various planar materials with the cutting machine under selected cutting conditions which produce deflection ... | 06/24/2003 |
| 6508614 | Spindle device and machine tool utilizing the same A spindle device equipped with a combined externally pressurized gas-magnetic bearing assembly, and a machining apparatus utilizing the spindle device. The spindle device is capable of accomplishing a high speed rotation with high rotational precision and... | 01/21/2003 |
| 6506143 | Apparatus for finishing inside diameter of work In a finishing apparatus, a plurality of works are retained at distances from each other in a direction of an X-axis. A single spindle is disposed on a table movable in the direction of the X-axis, the spindle has an axis parallel to an axis of each of bo... | 01/14/2003 |
| 6481939 | Tool tip conductivity contact sensor and method A tool tip conductivity sensor and method for determining when a tool tip of a machine contacts a workpiece. The sensor has at least two external connectors, one to the workpiece and the other to the machine. When the tool tip grazes the workpiece surface... | 11/19/2002 |
| 6478516 | Stator bar insulation stripping machine and method A machine is provided for stripping the ground wall insulation from a stator bar quickly and in such a manner that the copper strands will not be damaged. The apparatus of the invention includes a power driven cutting tool for milling or routing the insul... | 11/12/2002 |
| 6476575 | Method and system for adaptive control of turning operations An adaptive control system for adaptively controlling a turning operation performed at a work piece by a turning tool adjusts a controlled input operation parameter F to maintain an output operation parameter ƊM substantially at a predetermined value ƊM... | 11/05/2002 |
| 6424821 | Working machine and its communication method A working machine includes a cutting machine, a tool holder which can be installed to or removed from the spindle of the cutting machine, a transmission and reception mechanism installed in the tool holder, and a controller for performing radio communicat... | 07/23/2002 |
| 6309151 | Device and method for controlling the machining depth of a machine for machining multilayer printed circuit boards The device includes an operating head movable by a control unit with respect to a board for machining; the operating head includes a board holder device and an electric motor for a tool spindle; the rotor of the motor rotates with respect to the stator on... | 10/30/2001 |
| 6174113 | Method and apparatus for machining a cavity in a smart card A machining method is provided for use with a smart card of the type having at least one conducting winding at some distance from the opposed faces of the card, with the end portions of the winding forming electrical connection pads for an electronic chip... | 01/16/2001 |
| 6032344 | Multiplexing of pneumatic tooling A system for operation of pneumatic tooling has a plurality of pneumatically operable tools (2). A servo-controller (21) is switchable to actuate any of the plurality of tools, to move that tool to a desired position. A position transducer (4) includes an... | 03/07/2000 |
| 6015249 | Device and method for controlling the machining depth of a machine for machining multilayer printed circuit boards The device includes an operating head movable by a control unit with respect to a board for machining; the operating head includes a board holder device and an electric motor for a tool spindle; the rotor of the motor rotates with respect to the stator on... | 01/18/2000 |
| 5941151 | Method and apparatus for determining a workpiece's surface position A method and apparatus for determining a workpiece's surface position. One embodiment of the invention includes two conductive bodies that are insulated from each other. During a surface position determining operation, one of these bodies has a first pote... | 08/24/1999 |
| 5923560 | Method for dynamically compensating for tool abrasion in a numerically-controlled machine tool A method of the invention detects a machining load acting on a tool during a machining process, estimates abrasion amount of the tool based on the machining load and a tool abrasion characteristic registered in advance in a memory, and changes automatical... | 07/13/1999 |
| 5906460 | Tool device A tool device for machining workpieces has a machining tool and at least one sensor oriented toward a machining area of a workpiece to be machined by the machining tool. The at least one sensor senses at least a portion of the machining area and produces ... | 05/25/1999 |
| 5829932 | Machine alignment compensation actuator system A machine alignment compensation actuator system is disclosed. The system is designed to selectively orient the tool head of a machine tool to maintain the tool along a desirable axis of alignment. The system includes a framework and a machine slide assem... | 11/03/1998 |
| 5827020 | Numerical control apparatus A numerical control apparatus can process a workpiece at high speed and high precision while suppressing tool abrasion by maintaining optimum cutting conditions determined by a combination of spindle rotational speed and tool feed speed. A spindle rotatio... | 10/27/1998 |
| 5739433 | Touch off probe In a first preferred embodiment a transmitting acoustic transducer mounted on the tool axis or spindle of a grinding tool affords a method for pre-contact recognition and control (touch-off) independent of tool grit, workpiece material, and all natural ma... | 04/14/1998 |
| 5119759 | Apparatus for solder nozzle height sensing The method and apparatus of the present invention permit the accurate sensing of the height of a solder nozzle above a circuit board during operation of the solder nozzle. A non-contact limit switch, which provides an indication of the presence of a plana... | 06/09/1992 |
